CN113006721B - Oilfield drilling circulation sand pumping device with non-return and sand filtering mechanism - Google Patents
Oilfield drilling circulation sand pumping device with non-return and sand filtering mechanism Download PDFInfo
- Publication number
- CN113006721B CN113006721B CN202110427227.4A CN202110427227A CN113006721B CN 113006721 B CN113006721 B CN 113006721B CN 202110427227 A CN202110427227 A CN 202110427227A CN 113006721 B CN113006721 B CN 113006721B
- Authority
- CN
- China
- Prior art keywords
- sand
- pipe
- sand filtering
- barrel
- return
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004576 sand Substances 0.000 title claims abstract description 133
- 238000001914 filtration Methods 0.000 title claims abstract description 51
- 238000005086 pumping Methods 0.000 title claims abstract description 17
- 238000005553 drilling Methods 0.000 title claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 14
- 238000007790 scraping Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 5
- 239000003129 oil well Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
- E21B21/066—Separating solids from drilling fluids with further treatment of the solids, e.g. for disposal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of petroleum development, and particularly discloses an oilfield drilling circulation sand pumping device with a check and sand filtering mechanism. The invention realizes continuous sand pumping operation, reduces the cost of sand cleaning operation, lightens the operation intensity, simplifies the sand cleaning process, can filter the pumped sand-containing mixed liquid, realizes the operation of circulating sand washing and sand pumping, and saves water resources.
Description
Technical Field
The invention relates to the technical field of petroleum development, in particular to an oilfield drilling circulation sand pumping device with a non-return and sand filtering mechanism.
Background
In the middle and later stages of exploitation of each large oil field in China, sand production of the oil well is a serious problem, and crude oil yield of the oil well is directly affected, so that accumulated sand in the oil well is flushed to the ground by adopting a hydraulic flushing mode in each oil field, fine powder sand in liquid is difficult to filter in existing flushing equipment, and the fine powder sand is easy to reinject into the well, so that the efficiency of sand flushing operation is reduced.
Therefore, the existing sand pumping equipment is difficult to realize continuous cleaning operation, has poor cleaning effect and high operation intensity, and wastes water resources.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an oilfield drilling circulation sand pumping device with a non-return and sand filtering mechanism.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an oil field well drilling circulation sand pumping device with non return and sand filtering mechanism, includes center tube, sand filtering bucket, circulating pump, the lower extreme of center tube is connected with the sand washing pipe, the upper end of center tube is connected with oil pipe joint, oil pipe joint upper end is connected with first connecting pipe, and first connecting pipe connects on the output of circulating pump, oil pipe joint external fixation has the elevator, the outside cover of center tube is equipped with the outer tube, and outer tube and elevator fixed connection, the center tube inboard is equipped with non return mechanism, be connected with out the sand pipe on the center tube, be connected with the second connecting pipe on the play sand pipe, be connected with the third connecting pipe on the input of circulating pump, sand filtering mechanism between second connecting pipe and the third connecting pipe.
Preferably, the non-return mechanism comprises a fixed ring fixedly connected in the central tube, a transverse connecting rod is arranged above the fixed ring, two ends of the connecting rod are fixedly connected with vertically arranged movable rods, the movable rods penetrate through the fixed ring and are in sliding connection with the fixed ring, springs are sleeved on the movable rods, one ends of the springs are connected to the connecting rod, the other ends of the springs are connected to the fixed ring, and conical plates positioned on the inner sides of the fixed ring are fixedly connected to the lower sides of the connecting rod.
Preferably, the sand filtering mechanism comprises a sand filtering barrel, one end of a second connecting pipe, which is far away from a sand outlet pipe, is connected to the side wall of the sand filtering barrel, a sand discharging pipe is arranged on the side wall of the sand filtering barrel, a rotating sleeve is connected with the top of the sand filtering barrel in a penetrating manner, a rotating pipe is connected to the inner side of the rotating sleeve in a rotating manner, a filter screen barrel is fixedly connected to one end of the rotating pipe, which is located the inner side of the sand filtering barrel, the upper end of the rotating pipe is connected with a third connecting pipe through a rotary joint, a driving structure for driving the rotating pipe and the rotating sleeve is arranged at the top of the sand filtering barrel, and a scraping structure in contact with the outer surface of the filter screen barrel is arranged at the lower end of the rotating sleeve.
Preferably, the driving structure comprises a motor fixedly arranged at the top of the sand filtering barrel, the tail end of an output shaft of the motor is fixedly connected with a driving cone pulley, an upper cone pulley is fixedly sleeved on the rotary tube, a lower cone pulley is fixedly sleeved on the rotary sleeve, and the upper cone pulley and the lower cone pulley are respectively meshed with the upper side and the lower side of the driving cone pulley.
Preferably, the scraping structure comprises two L-shaped rods, the two L-shaped rods are respectively and fixedly connected to two sides of the rotating sleeve, the two L-shaped rods are respectively arranged on two sides of the filter screen barrel, a spiral scraping rod is fixed between the two L-shaped rods, bristles are arranged on the inner side of the spiral scraping rod, and the spiral scraping rod is sleeved outside the filter screen barrel.
Preferably, the inner bottom of the sand filtering barrel is of an inclined plane structure, and the sand discharging pipe is positioned at the low-position end of the inclined plane.
Preferably, the tapered plate is integrally formed with the connecting rod.
Preferably, a rubber sleeve is fixed between the central tube and the outer tube.
The invention has the beneficial effects that:
by arranging the check mechanism, the conical plate can prevent the mixed liquid during sand washing and sand pumping from entering the upper part of the central tube, so that the central tube is blocked.
Through setting up the filter screen section of thick bamboo, the sandy mixed solution of taking out gets into the filter sand bucket through first connecting pipe, filters sand through the filter screen section of thick bamboo to make water input circulating pump through the third connecting pipe circulate the use, effectively avoid the waste of water resource.
Through the starter motor, drive initiative cone pulley rotates, can drive commentaries on classics pipe, changeing the synchronous reverse rotation of cover, and then drives the filter screen section of thick bamboo and rotate, and spiral scraping rod rotates, scrapes down the sand that the filter screen section of thick bamboo surface was held back through spiral scraping rod to keep the better filtering quality of filter screen section of thick bamboo to deposit in the bottom of filter sand bucket, remove through the sand discharge pipe sediment and can filter the water of sand washing, carry out the recycle.
The invention realizes continuous sand pumping operation, reduces the cost of sand cleaning operation, lightens the operation intensity, simplifies the sand cleaning process, can filter the pumped sand-containing mixed liquid, realizes the operation of circulating sand washing and sand pumping, and saves water resources.
Drawings
FIG. 1 is a schematic diagram of an oilfield drilling circulation sand extraction device with a non-return and sand filtering mechanism according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view at B in fig. 1.
In the figure: the sand washing pipe 1, the central pipe 2, the outer pipe 3, the rubber sleeve 4, the oil pipe joint 5, the first connecting pipe 6, the sand outlet pipe 7, the second connecting pipe 8, the sand filtering barrel 9, the sand discharging pipe 10, the filter screen barrel 11, the spiral scraping rod 12, the model 13L, the motor 14, the third connecting pipe 15, the circulating pump 16, the fixed ring 17, the spring 18, the movable rod 19, the connecting rod 20, the conical plate 21, the rotary joint 22, the upper conical wheel 23, the rotary pipe 24, the lower conical wheel 25, the rotary sleeve 26, the driving conical wheel 27 and the elevator 28.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-3, an oilfield drilling circulation sand pumping device with a check and sand filtering mechanism comprises a central tube 2, a sand filtering barrel 9 and a circulating pump 16, wherein the lower end of the central tube 2 is connected with a sand washing tube 1, the upper end of the central tube 2 is connected with an oil tube joint 5, the upper end of the oil tube joint 5 is connected with a first connecting tube 6, the first connecting tube 6 is connected to the output end of the circulating pump 16, an elevator 28 is fixed outside the oil tube joint 5, an outer tube 3 is sleeved outside the central tube 2, the outer tube 3 is fixedly connected with the elevator 28, a rubber sleeve 4 is fixed between the central tube 2 and the outer tube 3, the inner side of the central tube 2 is provided with the check mechanism, a sand outlet tube 7 is connected to the central tube 2, a second connecting tube 8 is connected to the sand outlet tube 7, a third connecting tube 15 is connected to the input end of the circulating pump 16, and the sand filtering mechanism between the second connecting tube 8 and the third connecting tube 15.
The check mechanism comprises a fixed ring 17 fixedly connected in a central tube 2, a transverse connecting rod 20 is arranged above the fixed ring 17, two ends of the connecting rod 20 are fixedly connected with a vertically arranged movable rod 19, the movable rod 19 penetrates through the fixed ring 17 and is in sliding connection with the fixed ring 17, a spring 18 is sleeved on the movable rod 19, one end of the spring 18 is connected to the connecting rod 20, the other end of the spring 18 is connected to the fixed ring 17, a conical plate 21 positioned at the inner side of the fixed ring 17 is fixedly connected to the lower side of the connecting rod 20, the conical plate 21 and the connecting rod 20 are integrally formed, and the conical plate 21 can prevent mixed liquid generated during sand flushing and sand pumping from entering the upper part of the central tube 2 to cause blockage of the central tube 2.
Specifically, the sand filtering mechanism includes sand filtering barrel 9, the one end that sand outlet pipe 7 was kept away from to second connecting pipe 8 is connected on the lateral wall of sand filtering barrel 9, be equipped with sand discharging pipe 10 on the lateral wall of sand filtering barrel 9, the interior bottom of sand filtering barrel 9 is the inclined plane structure, and sand discharging pipe 10 is located the low level end on inclined plane, the deposited sand of being convenient for is discharged, the top of sand filtering barrel 9 runs through and is equipped with rather than rotates and is connected with change cover 26, change cover 26 inboard rotation is connected with change pipe 24, change pipe 24 is located the one end fixedly connected with filter screen cylinder 11 of sand filtering barrel 9 inboard, change pipe 24's upper end is connected with third connecting pipe 15 through rotary joint 22, be equipped with at sand filtering barrel 9 top and be equipped with the drive structure that drives change pipe 24, change cover 26 pivoted, change cover 26 lower extreme be equipped with the striking off structure of filter screen cylinder 11 surface, the sand-containing mixed liquid of taking out gets into sand filtering barrel 9 through second connecting pipe 8, filter screen cylinder 11 filters the sand, and make water circulate through third connecting pipe 15 input circulation pump 16.
Specifically, the driving structure includes fixed mounting at the motor 14 at filter sand bucket 9 top, motor 14 output shaft end fixedly connected with initiative cone pulley 27, fixed cup joint last cone pulley 23 on the commentaries on classics pipe 24, fixed cup joint down cone pulley 25 on changeing the cover 26, go up cone pulley 23, lower cone pulley 25 meshes respectively in the upper and lower both sides of initiative cone pulley 27, strike off the structure and include two L type poles 13, two L type poles 13 are fixed connection respectively in the both sides of changeing the cover 26, and two L type poles 13 set up respectively in the both sides of filter screen barrel 11, be fixed with spiral scraping rod 12 between two L type poles 13, spiral scraping rod 12 inboard is equipped with the brush hair, and spiral scraping rod 12 cover is established in the filter screen barrel 11 outside, through starting motor 14, drive initiative cone pulley 27 rotates, can drive changeing pipe 24, changeing the synchronous reverse rotation of cover 26, and then drive filter screen barrel 11 rotates, through spiral scraping rod 12 scrapes down the sand that filter screen barrel 11 surface was held down, and deposit in the bottom of filter sand bucket 9, clear away through the sand drainage pipe 10, can carry out the water of flushing sand, effectively avoid the waste of circulating water.
When the sand washing device is used, the circulating pump 16 is started, water is pumped into the central tube 2 through the first connecting tube 6, sand washing and washing are performed through the sand washing tube 1, the washed sand-containing mixed liquid is pumped out through the sand outlet tube 7, the pumped sand-containing mixed liquid enters the sand filtering barrel 9 through the second connecting tube 8, sand is filtered through the sand filtering barrel 11, the water is input into the circulating pump 16 through the third connecting tube 15 for circulating use, the driving cone 27 is driven to rotate through the starting motor 14, the rotating tube 24 and the rotating sleeve 26 can be driven to synchronously rotate reversely, the filter screen barrel 11 is driven to rotate, the spiral scraping rod 12 scrapes off the sand trapped on the surface of the filter screen barrel 11 and deposits on the bottom of the sand filtering barrel 9, and the sand washing water can be filtered through the sand discharging tube 10 for sand discharging and cleaning, so that the sand washing device is recycled.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (6)
1. The utility model provides an oil field well drilling circulation sand pumping device with non return and sand filtering mechanism, its characterized in that, including center tube (2), sand filtering barrel (9), circulating pump (16), the lower extreme of center tube (2) is connected with sand washing pipe (1), the upper end of center tube (2) is connected with oil pipe joint (5), oil pipe joint (5) upper end is connected with first connecting pipe (6), and first connecting pipe (6) are connected on the output of circulating pump (16), oil pipe joint (5) external fixation has elevator (28), the outside cover of center tube (2) is equipped with outer tube (3), and outer tube (3) and elevator (28) fixed connection, the inboard of center tube (2) is equipped with non return mechanism, be connected with sand outlet pipe (7) on center tube (2), be connected with second connecting pipe (8) on sand outlet pipe (7), be connected with third (15) on the input of circulating pump (16), between second connecting pipe (8) and third connecting pipe (15) filter.
The check mechanism comprises a fixed ring (17) fixedly connected in a central tube (2), a transverse connecting rod (20) is arranged above the fixed ring (17), two ends of the connecting rod (20) are fixedly connected with movable rods (19) which are vertically arranged, the movable rods (19) penetrate through the fixed ring (17), the movable rods (19) are in sliding connection with the fixed ring (17), springs (18) are sleeved on the movable rods (19), one ends of the springs (18) are connected to the connecting rod (20), the other ends of the springs (18) are connected to the fixed ring (17), and conical plates (21) positioned on the inner sides of the fixed ring (17) are fixedly connected to the lower sides of the connecting rod (20);
the sand filtering mechanism comprises a sand filtering barrel (9), one end of a second connecting pipe (8) far away from a sand outlet pipe (7) is connected to the side wall of the sand filtering barrel (9), a sand discharging pipe (10) is arranged on the side wall of the sand filtering barrel (9), a rotating sleeve (26) is connected with the top of the sand filtering barrel (9) in a penetrating mode, a rotating pipe (24) is connected to the inner side of the rotating sleeve (26) in a rotating mode, a filter screen barrel (11) is fixedly connected to one end of the rotating pipe (24) located the inner side of the sand filtering barrel (9), the upper end of the rotating pipe (24) is connected with a third connecting pipe (15) through a rotary joint (22), a driving structure for driving the rotating pipe (24) and the rotating sleeve (26) is arranged at the top of the sand filtering barrel (9), and a scraping structure in contact with the outer surface of the filter screen barrel (11) is arranged at the lower end of the rotating sleeve (26).
2. The oilfield drilling circulation sand pumping device with the non-return and sand filtering mechanism according to claim 1, wherein the driving structure comprises a motor (14) fixedly installed at the top of a sand filtering barrel (9), a driving cone pulley (27) is fixedly connected to the tail end of an output shaft of the motor (14), an upper cone pulley (23) is fixedly sleeved on a rotary pipe (24), a lower cone pulley (25) is fixedly sleeved on a rotary sleeve (26), and the upper cone pulley (23) and the lower cone pulley (25) are respectively meshed with the upper side and the lower side of the driving cone pulley (27).
3. The oilfield drilling circulation sand pumping device with the non-return and sand filtering mechanism according to claim 2, wherein the scraping structure comprises two L-shaped rods (13), the two L-shaped rods (13) are respectively and fixedly connected to two sides of a rotating sleeve (26), the two L-shaped rods (13) are respectively arranged on two sides of a filter screen barrel (11), a spiral scraping rod (12) is fixed between the two L-shaped rods (13), bristles are arranged on the inner side of the spiral scraping rod (12), and the spiral scraping rod (12) is sleeved on the outer side of the filter screen barrel (11).
4. An oilfield drilling circulation sand extraction device with a non-return and sand filtering mechanism according to claim 3, characterized in that the inner bottom of the sand filtering barrel (9) is of an inclined plane structure, and the sand discharging pipe (10) is positioned at the low end of the inclined plane.
5. An oilfield drilling circulation sand extraction device with a non-return and sand filtering mechanism according to claim 2, characterized in that the conical plate (21) is integrally formed with the connecting rod (20).
6. An oilfield drilling circulation sand extraction device with a non-return and sand filtering mechanism according to claim 1, characterized in that a rubber sleeve (4) is fixed between the central tube (2) and the outer tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110427227.4A CN113006721B (en) | 2021-04-21 | 2021-04-21 | Oilfield drilling circulation sand pumping device with non-return and sand filtering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110427227.4A CN113006721B (en) | 2021-04-21 | 2021-04-21 | Oilfield drilling circulation sand pumping device with non-return and sand filtering mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113006721A CN113006721A (en) | 2021-06-22 |
| CN113006721B true CN113006721B (en) | 2023-09-08 |
Family
ID=76388870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110427227.4A Active CN113006721B (en) | 2021-04-21 | 2021-04-21 | Oilfield drilling circulation sand pumping device with non-return and sand filtering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113006721B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669140B (en) * | 2022-05-26 | 2022-08-26 | 南通宝瑞通讯器材有限公司 | Computer lab dust keeper for communication base station |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203978340U (en) * | 2014-06-30 | 2014-12-03 | 胜利油田高原石油装备有限责任公司 | Sand device is taken out in oil drilling circulation |
| CN205778742U (en) * | 2016-05-25 | 2016-12-07 | 孙建华 | Oil recovery filter sand wax-proofing apparatus |
| CN208914891U (en) * | 2018-05-28 | 2019-05-31 | 青岛思创新材料有限公司 | A kind of fine arts environmental-friendly pigment mixing stirring device |
| CN211394973U (en) * | 2019-11-15 | 2020-09-01 | 天津市六福针织有限公司 | Condensed water recycling device of textile printing and dyeing drying machine |
| CN111852438A (en) * | 2020-08-09 | 2020-10-30 | 舒亮 | Oil well sand filtering device |
| CN111946302A (en) * | 2020-08-10 | 2020-11-17 | 隋爱妮 | Sand prevention device and method for petroleum extraction |
| CN212440292U (en) * | 2020-05-21 | 2021-02-02 | 西安秦都石化机械有限公司 | Novel filter |
-
2021
- 2021-04-21 CN CN202110427227.4A patent/CN113006721B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203978340U (en) * | 2014-06-30 | 2014-12-03 | 胜利油田高原石油装备有限责任公司 | Sand device is taken out in oil drilling circulation |
| CN205778742U (en) * | 2016-05-25 | 2016-12-07 | 孙建华 | Oil recovery filter sand wax-proofing apparatus |
| CN208914891U (en) * | 2018-05-28 | 2019-05-31 | 青岛思创新材料有限公司 | A kind of fine arts environmental-friendly pigment mixing stirring device |
| CN211394973U (en) * | 2019-11-15 | 2020-09-01 | 天津市六福针织有限公司 | Condensed water recycling device of textile printing and dyeing drying machine |
| CN212440292U (en) * | 2020-05-21 | 2021-02-02 | 西安秦都石化机械有限公司 | Novel filter |
| CN111852438A (en) * | 2020-08-09 | 2020-10-30 | 舒亮 | Oil well sand filtering device |
| CN111946302A (en) * | 2020-08-10 | 2020-11-17 | 隋爱妮 | Sand prevention device and method for petroleum extraction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113006721A (en) | 2021-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107989103B (en) | Silt cleaning device in coal mine sump | |
| CN210001750U (en) | hydraulic engineering sludge cleaning device capable of separating sewage | |
| CN213159622U (en) | Full-closed spiral type material-liquid separation device | |
| CN113006721B (en) | Oilfield drilling circulation sand pumping device with non-return and sand filtering mechanism | |
| CN209234928U (en) | One cultivates peanut circulation cleaning device | |
| CN112023486A (en) | Spiral sand washer water cyclic utilization device | |
| CN212069734U (en) | Cleaning mechanical device for parts | |
| CN113546464A (en) | Solid-liquid separation device for wastewater treatment | |
| CN209408945U (en) | A kind of anti-blockage structure of concrete discharging device | |
| CN208494547U (en) | A kind of pressure break quartz sand washing and drying device | |
| CN116378603A (en) | Hydrogeology well-forming segmented well-flushing device and use method thereof | |
| CN213968038U (en) | Be used for chinese-medicinal material to refine and use belt cleaning device | |
| CN112825906B (en) | Mussel cleaning and screening device | |
| CN212803186U (en) | Oil recovery priming device | |
| CN219974473U (en) | Circulating sand pumping device for oilfield drilling | |
| CN219547716U (en) | Silt cleaning equipment for hydraulic engineering | |
| CN220666329U (en) | Desilting device | |
| CN220216039U (en) | Cleaning equipment for open pit coal mine | |
| CN217988461U (en) | Sludge discharge mechanism of sedimentation tank for sewage treatment | |
| CN216764516U (en) | Oil separation sedimentation tank with filtering structure | |
| CN219773164U (en) | Municipal administration pipeline dredging device | |
| CN211987484U (en) | Filter device for oil extraction in oil field | |
| CN215560147U (en) | Cellar-entering fermentation tank | |
| CN214616421U (en) | Single-pump circulating device for drilling construction | |
| CN216366821U (en) | Clean environment-friendly oil field drilling mud separating, discharging, collecting and storing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230815 Address after: 719000 About 200 meters northeast of the intersection of West Ring Road and South Street in Dingbian Town, Dingbian County, Yulin City, Shaanxi Province Applicant after: Dingbian Zelin Petroleum Engineering Co.,Ltd. Address before: No. 169, Wei'an Road, high tech Zone, Weifang City, Shandong Province 257091 Applicant before: Wu Xiaolin |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |